(1)mysql> select name,gender,birthday,salary from employee -> where gender='女' -> and (birthday>='1990-01-01' or depid='D003'); +----------+--------+------------+--------+ | name | gender | birthday | salary | +----------+--------+------------+--------+ | 鈴木花子 | 女 | 1990-02-11 | 250000 | | 高橋良子 | 女 | 1985-11-23 | 300000 | | 鈴木良枝 | 女 | 1970-05-03 | 450000 | +----------+--------+------------+--------+ 3 rows in set (0.10 sec) (2)mysql> select depid,name from department where name in ('総務部','システム開発部'); +-------+----------------+ | depid | name | +-------+----------------+ | D001 | 総務部 | | D003 | システム開発部 | +-------+----------------+ 2 rows in set (0.09 sec) (3)mysql> select name from employee where name like '%良%'; +----------+ | name | +----------+ | 高橋良子 | | 鈴木良枝 | +----------+ 2 rows in set (0.00 sec) (4)mysql> select name from department where name like '_務_'; +--------+ | name | +--------+ | 総務部 | +--------+ 1 row in set (0.00 sec)